Meanwhile, in the Republican presidential race, Donald Trump now holds a seven-point lead in Iowa and a 16-point one in New Hampshire. In the Hawkeye State, Trump gets the support from 29 percent of potential GOP caucus-goers, while Ben Carson receives 22 percent. There's a steep drop off after that: Jeb Bush gets 6 percent; Carly Fiorina, Rand Paul and Scott Walker get 5 percent; and Ted Cruz, Marco Rubio and Bobby Jindal are at 4 percent. In July, Walker was ahead of the Iowa Republican field at 19 percent, Trump was second at 17 percent and Bush was third...